Home value estimate for

159 21st Ave

San Francisco, CA, 94121

Generated Sep 26, 2026

Street View imagery may not reflect the home's current condition.

Home value estimate
Not an asking price

Estimated market value

$3,433,738

Estimated range $3,137,873–$4,077,490

Limited confidence

Based on available public data

3 beds
2 baths
2,000 sqft
Built 1938
Single-family home
$25,273/yr property tax

This automated estimate is a starting point for evaluating the home. It is not an appraisal, offer, or confirmation that the property is currently for sale.

How this estimate was calculated
  • • 8 of 31 recent comparable sales selected
  • • Nearby sales receive more weight
  • • 15% assessor-data blend
  • • 2 distressed sales excluded

Sales Status

Sale status not verified

This is a home value estimate, not a for-sale listing. HomeHub has not verified that this property is currently available.

Estimated monthly cost
Explore affordability using the value estimate and editable loan assumptions.

Estimated payment

$20,470/mo

Principal & interest

$17,363

Property tax

$2,106

Insurance

$1,002

HOA

Not included

20% · $686,748
%

30-year loan estimate. Taxes use property data when available; insurance and PMI are estimates. This is not a loan quote.

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Location and nearby sales
See this home's location, the recent sales behind the estimate, and available school data.
Subject
Comparable (8)
School (3)
Comparable Sales
Recent nearby sales used to estimate this property's value. Highlighted rows were used in the valuation.
AddressSoldPrice$/sqftType
6115 California St
3 bd · 3 ba · 1,834 sqft
Apr 14, 2026$2,350,000$1,281Houses
6121 California St
2 bd · 1 ba · 1,900 sqft
Jun 8, 2026$2,100,000$1,105Houses
286 25th Ave
4 bd · 1 ba · 1,800 sqft
Apr 3, 2026$2,300,000$1,278Houses
323 19th Ave
3 bd · 1 ba · 1,808 sqft
Aug 31, 2026$2,350,000$1,300Houses
6427 California St
4 bd · 1 ba · 1,932 sqft
Sep 4, 2026$4,250,000$2,200Houses
Nearby Schools
Schools serving this property. Highlighted schools were used in the valuation.
SchoolRating
Presidio Middle School
Middle · Public · Grades 6-8
8/10
Alamo Elementary School
Elementary · Public · Grades K-5
8/10
Washington (George) High School
High · Public · Grades 9-12
7/10
Neighborhood Insights
Outer Richmond · San Francisco, CA

Arm's-length sales inside Outer Richmond from the last 12 months. A typical sale for the neighborhood, not an estimate of this home.

See Outer Richmond home values
Typical recent sale
Not an asking price

Houses

$2,275,000

$1,205/sqft · 105 sales in 12 months

Typical recent sale
Not an asking price

Condos

$1,350,000

$1,136/sqft · 39 sales in 12 months

Area Insights
San Francisco, CA HUD Metro FMR Area

Suggested Rent

$3,912/mo

Area Median Income

$116,970

HUD FMR 2BR

$3,188/mo

Gross Rent Multiplier

73.1xAppreciation-driven

Rent-to-Value

0.11%/mo

Property Tax
Based on 2026 assessment

Annual

$25,273

Monthly

$2,106

Effective Rate

0.74%

Sales History
DateSale Amount
Jun 27, 2014$1,727,000
Oct 8, 2004$1,200,000
Mar 20, 1997$545,000
Property Details
Lot Size2,616 sqft
Year Built1938
Rooms6
HOANo
PoolNo
A/CNone
ConstructionWood
Flood Zone
FEMA flood zone designation for this property

Zone X

AREA OF MINIMAL FLOOD HAZARD